2016 Jaguar XJ Cruise Control Isn't Working

Common Causes of Cruise Control Malfunctions in Your 2016 Jaguar XJ and How to Fix Them

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Reviewed by
Bo Fader
Written by RepairPal Car Genius
Updated January 14, 2025
0%
30% chance it's the
Sensor
0%
25% chance it's the
Control Module
0%
25% chance it's the
Throttle
0%
20% chance it's
Something else
The most common reasons a 2016 Jaguar XJ cruise control isn't working are failed control module, sensor or switch issues, or throttle actuation problems.
  • Sensor: A faulty sensor can lead to incorrect readings, causing issues with engine performance or triggering warning lights on the dashboard.
  • Control Module: A faulty control module can result in erratic vehicle behavior or failure of various electronic systems due to improper signal processing.
  • Throttle: A faulty throttle body or a defective accelerator pedal position sensor may be causing inconsistent acceleration and poor engine response.
Proper diagnosis will determine the exact cause of your symptom, saving you money on unnecessary repairs. The diagnostic experts at RepairPal Certified shops have the right tools and experience to solve any symptom.

How much does it cost to fix a 2016 Jaguar XJ cruise control isn't working?

Common Repairs

The total repair cost will vary based on the condition of your vehicle and the number of repairs needed to fix your symptom. Proper diagnosis will save you money by finding the exact repairs needed to fix your car right the first time.

In the event that a wheel speed sensor fails, the ABS, traction control system (TCS) and manufacturer specific stability control system lights will illuminate, informing the driver that the systems are disabled. The vehicle will be more prone to tire slip, and normal driving patterns may need to be adjusted to correct for the loss of computer control. On older vehicle's, the speedometer can be affected, causing illumination of the check engine light as well.

What steps should I take to diagnose the non-functioning cruise control in my 2016 Jaguar XJ?

To effectively diagnose the non-functioning cruise control in your 2016 Jaguar XJ, start with a systematic approach that prioritizes simpler checks before delving into more complex diagnostics. Begin by inspecting the rubber bellows of the vacuum unit for any visible damage, as a proper seal is crucial for functionality. Next, locate the fuse box in your engine bay and check the dedicated fuse for the cruise control; a quick test with a multimeter can confirm its integrity. If the fuse is intact, proceed to examine the throttle position sensor, as a malfunction here can disrupt the engine's performance and affect cruise control. Additionally, inspect the brake pedal switch, since a faulty switch can inadvertently disable the cruise control system. Finally, verify the control module, sensor, and switch for any signs of failure, and test the cruise control buttons to ensure they are operational. By following this diagnostic approach, you can efficiently identify the root cause of the issue and take the necessary steps to restore your cruise control functionality.

How urgent is it to address the malfunctioning cruise control in a 2016 Jaguar XJ?

Addressing the malfunctioning cruise control in a 2016 Jaguar XJ is of utmost importance due to the potential safety risks and driving inconveniences it poses. When cruise control fails, it not only disrupts the convenience of maintaining a steady speed during long drives but can also lead to increased driver fatigue and discomfort. Moreover, the underlying causes of cruise control malfunctions—such as a faulty switch, blown fuses, or throttle control issues—can escalate if left unattended, potentially resulting in more significant damage to the vehicle. Ignoring these symptoms may compromise your safety, especially on highways where cruise control is frequently utilized. Therefore, it is crucial to prioritize the repair of your cruise control system to ensure a safe and enjoyable driving experience.

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